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Segment Information - Selected Financial Details Regarding the Company's Reportable Segments (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 14,283 | $ 16,236 | $ 43,561 | $ 42,743
Gross profit | 495 | 2,759 | 4,958 | 7,613
Net income (loss) | (2,003) | 987 | (2,745) | 3,873
BRAZIL |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 184 |  | 184 |
Gross profit | (29) |  | (29) |
Net income (loss) | $ (208) |  | $ (208) |

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